22101612 has 24 divisors (see below), whose sum is σ = 55537776. Its totient is φ = 6800448.

The previous prime is 22101571. The next prime is 22101623. The reversal of 22101612 is 21610122.

It is a junction number, because it is equal to n+sod(n) for n = 22101591 and 22101600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70683 + ... + 70994.

It is an arithmetic number, because the mean of its divisors is an integer number (2314074).

Almost surely, 2^22101612 is an apocalyptic number.

It is an amenable number.

22101612 is an abundant number, since it is smaller than the sum of its proper divisors (33436164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101612 is a wasteful number, since it uses less digits than its factorization.

22101612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141697 (or 141695 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 22101612 is about 4701.2351568497. The cubic root of 22101612 is about 280.6346657815.

Adding to 22101612 its reverse (21610122), we get a palindrome (43711734).

The spelling of 22101612 in words is "twenty-two million, one hundred one thousand, six hundred twelve".